> ## Content Index
> Fetch the complete content index at: https://www.fdaweb.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# Guide on Drug Testing for Contaminants
- URL: https://www.fdaweb.com/guide-on-drug-testing-for-contaminants/
- Published: 2023-05-10T12:00:00.000Z
- Updated: 2026-09-14T18:31:00.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5154410

*Federal Register* notice: FDA is making available a final guidance entitled “Testing of Glycerin, Propylene Glycol, Maltitol Solution, Hydrogenated Starch Hydrolysate, Sorbitol Solution, and Other High-Risk Drug Components for Diethylene Glycol and Ethylene Glycol.” The document provides updated recommendations on testing to help pharmaceutical manufacturers, repackers, other suppliers, and compounders prevent the use of high-risk drug components. To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2023-05-10/pdf/2023-09973.pdf?ref=fdaweb.com).